<template>
 <div>
    <h2>我是About的内容</h2>
 </div>
</template>

<script>
export default {
  name: 'About',
  data() {
   return {
     
   }
  },
  mounted() {
    console.log('About组件挂载完毕了', this)
    window.aboutRoute = this.$route
    window.aboutRouter = this.$router
  },
  beforeDestroy() {
    console.log('About组件即将被销毁了')
  },
}
</script>
